IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. IVY Classic Angle Grinder Adapter 39092, adapts 5/8-Inch-11 thread to M10 X 1.5-millimeter thread. These adapters can be used to adapt cup or wire brushes from 5/8-inch-11 thread to M10 x 1.5-millimeter thread. The Angle Grinder Adapters are constructed out of zinc-plated alloy-steel.